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Two forms of the partition function for the ising model

L. Pičman ; Physics Departement and “J. Stefan” Institute University of Ljubljana, Ljubljana
I. Sega ; Physics Departement and “J. Stefan” Institute University of Ljubljana, Ljubljana

Sažetak

Starting with the Fourier representation of the two body potential and by partial integration over certain auxiliary variables, a simple proof is given for the linked cluster expansion of the partition function. The same starting point is also used to derive the functional integration form in both space and momentum variables, leading to the Wilson Hamiltonian.

Ključne riječi

Hrčak ID:

322944

URI

https://hrcak.srce.hr/322944

Datum izdavanja:

6.1.1976.

Podaci na drugim jezicima: slovenski

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